Home / 39,341.10-54,286.02-22,339.20

Finding the Fourth Proportional to 39,341.10, 54,286.02 and 22,339.20

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Solution

The fourth proportional to 39,341.10, 54,286.02 and 22,339.20 is: 30,825.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,341.10 : 54,286.02 = 22,339.20 : x
  2. Step 2: Convert to fraction form
    39,341.10/54,286.02 = 22,339.20/x
  3. Step 3: Cross multiply
    39,341.10x = 54,286.02 × 22,339.20
  4. Step 4: Simplify right side
    39,341.10x = 1,212,706,257.98
  5. Step 5: Solve for x
    x = 1,212,706,257.98/39,341.10
  6. Step 6: Final answer
    x = 30,825.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.